Question

If u=z find complement of a=(2x/x belongs to z)

Answer 1

U=Z and A={2x|x belonges to Z}
then, A={2,4,6,8,10,12,14,16,........}={the set of all even numbers}
∴, A'={1,3,5,7,9,11,13,15,17,.......}={the set of all odd numbers}